4565920 has 24 divisors (see below), whose sum is σ = 10787364. Its totient is φ = 1826304.

The previous prime is 4565917. The next prime is 4565921. The reversal of 4565920 is 295654.

It can be written as a sum of positive squares in 2 ways, for example, as 4210704 + 355216 = 2052^2 + 596^2 .

It is not an unprimeable number, because it can be changed into a prime (4565921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14109 + ... + 14428.

Almost surely, 2^4565920 is an apocalyptic number.

4565920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4565920 is an abundant number, since it is smaller than the sum of its proper divisors (6221444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4565920 is a wasteful number, since it uses less digits than its factorization.

4565920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28552 (or 28544 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 4565920 is about 2136.8013478094. The cubic root of 4565920 is about 165.8986171476.

The spelling of 4565920 in words is "four million, five hundred sixty-five thousand, nine hundred twenty".